Ha long Bay Weather in July
In Ha long Bay, July brings very high daytime temperatures around 31°C (88°F), with nights cooling to 28°C (82°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Ha long Bay in July
As part of the rainy season, Ha long Bay sees around 15 days of rain in July, with an average of 357 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Ha long Bay in July
Expect highs of 31°C (88°F) in Ha long Bay in July, with nights dropping to around 28°C (82°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 28°C (82°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.
Sunshine in Ha long Bay in July
Expect a lot of sunshine this month, with about 200 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.July in Ha long Bay can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Ha long Bay Temperature in July
Min Temperature
28°C (82°F)
Max Temperature
31°C (88°F)
Chance of Rain
50%
Precipitation
357 mm (14 in)
Rainy days
15 days
Humidity
84% *
Sunshine
200 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ha long Bay typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Ha long Bay in July
Browse day-by-day weather records for Ha long Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ha long Bay historical weather extremes in July
Based on 33 years of weather observations (1992-2025), these are the most extreme conditions recorded in Ha long Bay.
- The warmest day in July was on July 13, 2015, with a maximum of 40°C (104°F).
- The lowest daytime temperature in July was 24°C (75°F), recorded on July 23, 2004.
- Nighttime temperatures dropped to 23°C (73°F) on July 6, 2008, marking the coldest July night on record.
Best Places in Vietnam in July
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ha long Bay in July
Warm but pleasant conditions in Ha long Bay in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Ha long Bay in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ha long Bay climate overview or explore weather in Vietnam.
